Nitrate is reduced to nitrite with an inorganic reducing agent. Nitrite is then diazotised with an aromatic amine and simultaneously coupled to form an azo dye.
Type - colorimetric test kit (refill pack)
Range - 0 · 1 · 3 · 5 · 10 · 20 · 30 · 50 · 70 ·90 · 120 mg/l NO3-
Sufficient for - 110 determinations
Shelf life - at least 1.5 years
Sea water suitability - yes
Detectable with PF-12 - yes
Type - colorimetric test kit (refill pack)
Range - 0 · 1 · 3 · 5 · 10 · 20 · 30 · 50 · 70 ·90 · 120 mg/l NO3-
Sufficient for - 110 determinations
Shelf life - at least 1.5 years
Sea water suitability - yes
Detectable with PF-12 - yes
Properties
- 181655